Vertaling van "one expected those extraordinary measures would stay there forever " (Engels → Frans) :

No one expected those extraordinary measures would stay there forever.
Personne ne s'attendait à ce que ces mesures extraordinaires soient maintenues indéfiniment.

One would expect that certain measures would have an impact and so there should be impact assessments, public consultations, and things along those lines.
On peut penser que certaines mesures auront un impact et on devrait avoir des analyses d'impact, des consultations publiques et choses comme celles-là.